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at a level of 380
you can disconnect and connect the hose safely
and nucleic acids are created
swirling a little after each drop
and close The Bag™ using the resealable locking closure
Hanna Instruments Salinity Tester additives at a level of 380Hanna Instruments HI98319 is a salinity tester made specifically for the saltwater aquarium enthusiest and can measure salinity up to 70. 00 ppt. The rugged waterproof tester is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98319 keeps things simple with a two button operation; one for ON OFF, the other for calibration. The salinity tester features a large multi level LCD which displays either ppt, PSU or specific